import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletConfig;

class MasterController extends HttpServlet {
    
    def target = "master"
    
    final registry = [:]
    
    def index = { request, response ->
        
    }
    
    void init(ServletConfig config) throws ServletException {
        super(config)
    }
    
    /** 
    * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
    * @param request servlet request
    * @param response servlet response
    */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.contentType = "text/html;charset=UTF-8"
        def action = request.getParameter("action")
        if (action == null || action.equals("")) {
            action = "index"
        }
        
        this."${action}"(request, response)
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
    * Handles the HTTP <code>GET</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response)
    } 

    /** 
    * Handles the HTTP <code>POST</code> method.
    * @param request servlet request
    * @param response servlet response
    */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response)
    }
    

    /** 
    * Returns a short description of the servlet.
    */
    String getServletInfo() {
        return "${this.getClass().getName()}";
    }
    

}